Representation from the Boardroom to the Courtroom

Ogborn Mihm Quaintance, PLLC is a Sioux Falls, South Dakota law firm handling transactional and litigation matters. Our lawyers have experience handling a spectrum of issues, from mergers and acquisitions, business entity issues, creditor’s rights, and real estate transactions to contract, company dispute, personal injury, and professional malpractice lawsuits.

What We Do

We assess, assist, prepare, and present each matter individually based on its unique facts and
circumstances; there is no template for the personalized representation we provide.

Our commercial and transactional law practice areas overlap with our business entity, mergers and acquisitions, real estate and creditor’s rights areas of practice.
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We represent clients from the planning stages to the wind-down of business entities and at all points between.
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We’ve represented clients in merger, consolidation, tender offer, and, most frequently, acquisition of assets.
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Starting your own company takes courage, and we’re betting it is something that you are passionate about.  Our goal is to guide you through the process of protecting the company so that you can focus on that passion.
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We represent banks and other lenders not only in the enforcement of their rights in mediations and in State and Bankruptcy Courts, but also in the creation of loan documents, perfection of collateral interests, loan reviews and collection strategy.
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We handle a significant number of real estate transactions each year, involving improved real estate properties ranging from single-family homes to multi-family units to office and retail and industrial facilities to hospitality and recreational property to unimproved real estate or agricultural land.
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The attorneys at OMQ Legal have decades of experience representing business clients in high-stakes commercial and contract litigation. Unlike many business litigation firms that are law and motion firms, settle, and never actually go to trial, we have substantial experience trying such business cases to juries and judges.
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Our office provides hope for seriously injured people. We have the experience and the fortitude to fight for our client’s wellbeing and rights. Because this takes time and resources, we limit our representation to those clients who have serious injuries from a collision that have a significant impact on a person’s life.
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The legal malpractice attorneys at Ogborn Mihm Quaintance, PLLC are among the most experienced in the United States at handling complex, hard-fought attorney professional liability cases.
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Our attorneys have attended to their construction clients’ needs including drafting contracts, litigating construction claims, prosecution of mechanics liens, identifying and negotiating scope of work disputes including change orders, calculating and litigating delay and acceleration claims, design defect claims as well as environmental issues such as mold, asbestos and mercury claims for almost a quarter-century.
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Who We Are

Our Legal Talent. Let Us Introduce Them.

Macie Coburn Macie Coburn

Macie Coburn


Macie is a creative problem solver with a detail-oriented eye. Macie has spent most of her life working for her family businesses identifying issues and problem-solving. Macie understands the joys of owning a business and the challenges tied to the excitement. Macie wants to assist Clients with accomplishing their dreams of being business owners and ensure they identify and solve issues before, during, and after they arise.

Macie's Bio
Michael T. Mihm Michael T. Mihm

Michael T. Mihm

Senior Lawyer

Michael Mihm’s unique trial practice focuses on plaintiff-side legal malpractice, commercial, and personal injury litigation. He is admitted to practice in California and Colorado, but represents clients in courtrooms nationwide. Michael has obtained some of the largest plaintiff legal malpractice jury verdicts and settlements in the United States and many multi-million dollar verdicts and settlements in commercial and personal injury litigation. He is one of the few plaintiffs’ attorneys in the United States to be certified as a specialist in legal malpractice law by The State Bar of California Board of Legal Specialization.

Michael's Bio
Mike Hauck Mike Hauck

Mike Hauck

Of Counsel

Mike is a 1989 honors graduate of Hamline University School of Law in St. Paul, MN (now known as Mitchell Hamline School of Law).  Prior to law school, Mike received his B.S. in Business Administration with an accounting major from the University of South Dakota in Vermillion, South Dakota, the city of his birth.

Mike's Bio
Mike Ogborn Mike Ogborn

Mike Ogborn

Senior Lawyer

Litigation can be brutal. Too often, individuals and businesses suffer needlessly because lawyers insist on doing things “the same old way.” Not with us. Not with Mike. Mike’s trademark is his relentless pursuit of new and better answers. His hallmark is the recognition that better answers come only with understanding. Not just surface familiarity, but a true appreciation of your world. Mike takes the time to listen, to answer questions, and to ask questions.

Mike's Bio
Murray Ogborn Murray Ogborn

Murray Ogborn

Senior Lawyer

Murray Ogborn is recognized as one of the nation’s preeminent trial lawyers, having represented clients and tried many cases across the country. He is an innovator in the development of trial practice, and is nationally known for using storytelling, case thematic techniques, and focus groups in the preparation and trial of cases. Murray not only personally tries cases, but other trial lawyers from around the country hire him to conduct focus groups and consult on their cases.

Murray's Bio
Nicole M. Quintana Nicole M. Quintana

Nicole M. Quintana

Senior Lawyer

Nicole Quintana’s attention to case details is matched by her empathy for her clients and her ability to capture and tell their stories. Whether representing individuals, small businesses, or large corporations, Nicole’s strength lies in navigating complex cases. She represents clients in high stakes business litigation, plaintiff’s legal malpractice, and catastrophic personal injury cases—preparing every case for trial, but always keeping in mind the ultimate goal of the client.

Nicole's Bio
Peter A. McClenahan Peter A. McClenahan

Peter A. McClenahan

Of Counsel

Peter McClenahan is a skilled and dynamic trial lawyer who has spent nearly twenty years honing his craft in the courtroom. Peter’s practice focuses on catastrophic personal injury, complex business and civil litigation, and professional malpractice. He values the relationships he forms with his clients and has obtained multiple multi-million dollar jury verdicts on their behalf. Peter was selected as a 2019 Colorado Super Lawyer and was recognized by his peers for inclusion in The Best Lawyers in America 2019.

Peter's Bio
Quinn S. Girrens Quinn S. Girrens

Quinn S. Girrens


With every case Quinn handles, she maintains the values of client-centered practice, integrity and inclusion. She understands that each of her clients have a unique story to tell and it is with great pride that Quinn is trusted to tell their story. Through storytelling, Quinn is able to dedicate her practice to advancing her client’s interests, while providing competent and considerate representation. Quinn’s practice focuses on representing individuals facing life-changing personal injuries, including individuals who have suffered traumatic brain injuries, spinal cord injuries, and orthopedic injuries.

Quinn's Bio
Steve Shapiro Steve Shapiro

Steve Shapiro

Senior Lawyer

Steven Shapiro is an experienced trial lawyer who has represented people with all types of brain injuries. His practice focuses primarily on representing those who have suffered catastrophic injuries. Steve’s work ethic, dedication, and compassion for his clients have resulted in significant verdicts and settlements for them.

Steve's Bio
Susan Hardie Jacks Susan Hardie Jacks

Susan Hardie Jacks

Of Counsel

In her more than 30-year career, Susie Jacks has helped clients resolve disputes in state and federal trial and appellate courts across the nation in a wide array of areas – including real estate and other investment fraud schemes, fiduciary duty litigation, intellectual property, construction, probate, professional malpractice and bankruptcy-based preference and fraudulent conveyance litigation. Whether the client is one person or dozens of individuals, a bankruptcy trustee, a corporation, or trust beneficiaries, Susie understands that each dispute is personal and has significant and frequently life-changing consequences.

Susan's Bio

Across the board, we are advocates for our clients.


Let Us Help You or Your Company

Please reach out to speak with one of our lawyers. We are the Firm to depend on for advice as well as action. Contact us now for a confidential consultation about how we can help you.

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